UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bldghLHk/ncvZgrP5VfBhPwBuiWkf7F7DsyYTrWTQJs=' 
WHERE 
  key_id = '0e98cac110c33f13d241a55645f6e536e759a12d5ac3a17c8fefeb4ec50b7c2c' 
  AND (
    token = 'bldghLHk/ncvZgrP5VfBhPwBuiWkf7F7DsyYTrWTQJs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )